int rrdset_type_id(const char *name)
{
- if(strcmp(name, RRDSET_TYPE_AREA_NAME) == 0) return RRDSET_TYPE_AREA;
- if(strcmp(name, RRDSET_TYPE_STACKED_NAME) == 0) return RRDSET_TYPE_STACKED;
- if(strcmp(name, RRDSET_TYPE_LINE_NAME) == 0) return RRDSET_TYPE_LINE;
+ if(unlikely(strcmp(name, RRDSET_TYPE_AREA_NAME) == 0)) return RRDSET_TYPE_AREA;
+ else if(unlikely(strcmp(name, RRDSET_TYPE_STACKED_NAME) == 0)) return RRDSET_TYPE_STACKED;
+ else if(unlikely(strcmp(name, RRDSET_TYPE_LINE_NAME) == 0)) return RRDSET_TYPE_LINE;
return RRDSET_TYPE_LINE;
}
int rrd_memory_mode_id(const char *name)
{
- if(!strcmp(name, RRD_MEMORY_MODE_RAM_NAME))
+ if(unlikely(!strcmp(name, RRD_MEMORY_MODE_RAM_NAME)))
return RRD_MEMORY_MODE_RAM;
- else if(!strcmp(name, RRD_MEMORY_MODE_MAP_NAME))
+ else if(unlikely(!strcmp(name, RRD_MEMORY_MODE_MAP_NAME)))
return RRD_MEMORY_MODE_MAP;
return RRD_MEMORY_MODE_SAVE;
}
for(rd = st->dimensions; rd ; rd = rd->next) {
- if(rd->mapped == RRD_MEMORY_MODE_SAVE) {
+ if(likely(rd->mapped == RRD_MEMORY_MODE_SAVE)) {
debug(D_RRD_CALLS, "Saving dimension '%s' to '%s'.", rd->name, rd->cache_filename);
savememory(rd->cache_filename, rd, rd->memsize);
}
debug(D_RRD_CALLS, "rrddim_hide() for chart %s, dimension %s", st->name, id);
RRDDIM *rd = rrddim_find(st, id);
- if(!rd) {
+ if(unlikely(!rd)) {
error("Cannot find dimension with id '%s' on stats '%s' (%s).", id, st->name, st->id);
return 1;
}
debug(D_RRD_CALLS, "rrddim_unhide() for chart %s, dimension %s", st->name, id);
RRDDIM *rd = rrddim_find(st, id);
- if(!rd) {
+ if(unlikely(!rd)) {
error("Cannot find dimension with id '%s' on stats '%s' (%s).", id, st->name, st->id);
return 1;
}
int rrddim_set(RRDSET *st, const char *id, collected_number value)
{
RRDDIM *rd = rrddim_find(st, id);
- if(!rd) {
+ if(unlikely(!rd)) {
error("Cannot find dimension with id '%s' on stats '%s' (%s).", id, st->name, st->id);
return 1;
}
{
debug(D_RRD_CALLS, "rrdset_next_usec() for chart %s with microseconds %llu", st->name, microseconds);
- if(st->debug) debug(D_RRD_STATS, "%s: NEXT: %llu microseconds", st->name, microseconds);
+ if(unlikely(st->debug)) debug(D_RRD_STATS, "%s: NEXT: %llu microseconds", st->name, microseconds);
st->usec_since_last_update = microseconds;
}
{
unsigned long long microseconds = 0;
- if(st->last_collected_time.tv_sec) {
+ if(likely(st->last_collected_time.tv_sec)) {
struct timeval now;
gettimeofday(&now, NULL);
microseconds = usecdiff(&now, &st->last_collected_time);
RRDDIM *rd, *last;
int oldstate, store_this_entry = 1;
- if(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldstate) != 0)
+ if(unlikely(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldstate) != 0))
error("Cannot set pthread cancel state to DISABLE.");
// a read lock is OK here
pthread_rwlock_rdlock(&st->rwlock);
// check if the chart has a long time to be refreshed
- if(st->usec_since_last_update > st->entries * st->update_every * 1000000ULL) {
+ if(unlikely(st->usec_since_last_update > st->entries * st->update_every * 1000000ULL)) {
info("%s: took too long to be updated (%0.3Lf secs). Reseting it.", st->name, (long double)(st->usec_since_last_update / 1000000.0));
rrdset_reset(st);
st->usec_since_last_update = st->update_every * 1000000ULL;
}
- if(st->debug) debug(D_RRD_STATS, "%s: microseconds since last update: %llu", st->name, st->usec_since_last_update);
+ if(unlikely(st->debug)) debug(D_RRD_STATS, "%s: microseconds since last update: %llu", st->name, st->usec_since_last_update);
// set last_collected_time
- if(!st->last_collected_time.tv_sec) {
+ if(unlikely(!st->last_collected_time.tv_sec)) {
// it is the first entry
// set the last_collected_time to now
gettimeofday(&st->last_collected_time, NULL);
// the first entry should not be stored
store_this_entry = 0;
- if(st->debug) debug(D_RRD_STATS, "%s: initializing last_collected to now. Will not store the next entry.", st->name);
+ if(unlikely(st->debug)) debug(D_RRD_STATS, "%s: initializing last_collected to now. Will not store the next entry.", st->name);
}
else {
// it is not the first entry
// if this set has not been updated in the past
// we fake the last_update time to be = now - usec_since_last_update
- if(!st->last_updated.tv_sec) {
+ if(unlikely(!st->last_updated.tv_sec)) {
// it has never been updated before
// set a fake last_updated, in the past using usec_since_last_update
unsigned long long ut = st->last_collected_time.tv_sec * 1000000ULL + st->last_collected_time.tv_usec - st->usec_since_last_update;
// the first entry should not be stored
store_this_entry = 0;
- if(st->debug) debug(D_RRD_STATS, "%s: initializing last_updated to now - %llu microseconds (%0.3Lf). Will not store the next entry.", st->name, st->usec_since_last_update, (long double)ut/1000000.0);
+ if(unlikely(st->debug)) debug(D_RRD_STATS, "%s: initializing last_updated to now - %llu microseconds (%0.3Lf). Will not store the next entry.", st->name, st->usec_since_last_update, (long double)ut/1000000.0);
}
// check if we will re-write the entire data set
- if(usecdiff(&st->last_collected_time, &st->last_updated) > st->update_every * st->entries * 1000000ULL) {
+ if(unlikely(usecdiff(&st->last_collected_time, &st->last_updated) > st->update_every * st->entries * 1000000ULL)) {
info("%s: too old data (last updated at %u.%u, last collected at %u.%u). Reseting it. Will not store the next entry.", st->name, st->last_updated.tv_sec, st->last_updated.tv_usec, st->last_collected_time.tv_sec, st->last_collected_time.tv_usec);
rrdset_reset(st);
unsigned long long now_ut = st->last_collected_time.tv_sec * 1000000ULL + st->last_collected_time.tv_usec;
unsigned long long next_ut = (st->last_updated.tv_sec + st->update_every) * 1000000ULL;
- if(st->debug) debug(D_RRD_STATS, "%s: last ut = %0.3Lf (last updated time)", st->name, (long double)last_ut/1000000.0);
- if(st->debug) debug(D_RRD_STATS, "%s: now ut = %0.3Lf (current update time)", st->name, (long double)now_ut/1000000.0);
- if(st->debug) debug(D_RRD_STATS, "%s: next ut = %0.3Lf (next interpolation point)", st->name, (long double)next_ut/1000000.0);
+ if(unlikely(st->debug)) {
+ debug(D_RRD_STATS, "%s: last ut = %0.3Lf (last updated time)", st->name, (long double)last_ut/1000000.0);
+ debug(D_RRD_STATS, "%s: now ut = %0.3Lf (current update time)", st->name, (long double)now_ut/1000000.0);
+ debug(D_RRD_STATS, "%s: next ut = %0.3Lf (next interpolation point)", st->name, (long double)next_ut/1000000.0);
+ }
- if(!st->counter_done) {
+ if(unlikely(!st->counter_done)) {
store_this_entry = 0;
- if(st->debug) debug(D_RRD_STATS, "%s: Will not store the next entry.", st->name);
+ if(unlikely(st->debug)) debug(D_RRD_STATS, "%s: Will not store the next entry.", st->name);
}
st->counter_done++;
// calculate totals and count the dimensions
int dimensions;
st->collected_total = 0;
- for( rd = st->dimensions, dimensions = 0 ; rd ; rd = rd->next, dimensions++ )
+ for( rd = st->dimensions, dimensions = 0 ; likely(rd) ; rd = rd->next, dimensions++ )
st->collected_total += rd->collected_value;
uint32_t storage_flags = SN_EXISTS;
// process all dimensions to calculate their values
// based on the collected figures only
// at this stage we do not interpolate anything
- for( rd = st->dimensions ; rd ; rd = rd->next ) {
+ for( rd = st->dimensions ; likely(rd) ; rd = rd->next ) {
- if(st->debug) debug(D_RRD_STATS, "%s/%s: "
+ if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: "
" last_collected_value = " COLLECTED_NUMBER_FORMAT
" collected_value = " COLLECTED_NUMBER_FORMAT
" last_calculated_value = " CALCULATED_NUMBER_FORMAT
case RRDDIM_PCENT_OVER_DIFF_TOTAL:
// the percentage of the current increment
// over the increment of all dimensions together
- if(st->collected_total == st->last_collected_total) rd->calculated_value = rd->last_calculated_value;
+ if(unlikely(st->collected_total == st->last_collected_total)) rd->calculated_value = rd->last_calculated_value;
else rd->calculated_value =
(calculated_number)100
* (calculated_number)(rd->collected_value - rd->last_collected_value)
/ (calculated_number)(st->collected_total - st->last_collected_total);
- if(st->debug)
+ if(unlikely(st->debug))
debug(D_RRD_STATS, "%s/%s: CALC PCENT-DIFF "
CALCULATED_NUMBER_FORMAT " = 100"
" * (" COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT ")"
break;
case RRDDIM_PCENT_OVER_ROW_TOTAL:
- if(!st->collected_total) rd->calculated_value = 0;
+ if(unlikely(!st->collected_total)) rd->calculated_value = 0;
else
// the percentage of the current value
// over the total of all dimensions
* (calculated_number)rd->collected_value
/ (calculated_number)st->collected_total;
- if(st->debug)
+ if(unlikely(st->debug))
debug(D_RRD_STATS, "%s/%s: CALC PCENT-ROW "
CALCULATED_NUMBER_FORMAT " = 100"
" * " COLLECTED_NUMBER_FORMAT
case RRDDIM_INCREMENTAL:
// if the new is smaller than the old (an overflow, or reset), set the old equal to the new
// to reset the calculation (it will give zero as the calculation for this second)
- if(rd->last_collected_value > rd->collected_value) {
+ if(unlikely(rd->last_collected_value > rd->collected_value)) {
info("%s.%s: Detect RESET or OVERFLOW. Last collected value = " COLLECTED_NUMBER_FORMAT ", current = " COLLECTED_NUMBER_FORMAT
, st->name, rd->name
, rd->last_collected_value
rd->calculated_value += (calculated_number)(rd->collected_value - rd->last_collected_value);
- if(st->debug)
+ if(unlikely(st->debug))
debug(D_RRD_STATS, "%s/%s: CALC INC "
CALCULATED_NUMBER_FORMAT " += "
COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT
case RRDDIM_ABSOLUTE:
rd->calculated_value = (calculated_number)rd->collected_value;
- if(st->debug)
+ if(unlikely(st->debug))
debug(D_RRD_STATS, "%s/%s: CALC ABS/ABS-NO-IN "
CALCULATED_NUMBER_FORMAT " = "
COLLECTED_NUMBER_FORMAT
// it gets noticed when we add new types
rd->calculated_value = 0;
- if(st->debug)
+ if(unlikely(st->debug))
debug(D_RRD_STATS, "%s/%s: CALC "
CALCULATED_NUMBER_FORMAT " = 0"
, st->id, rd->name
unsigned long long first_ut = last_ut;
int iterations = (now_ut - last_ut) / (st->update_every * 1000000ULL);
- for( ; next_ut <= now_ut ; next_ut += st->update_every * 1000000ULL, iterations-- ) {
+ for( ; likely(next_ut <= now_ut) ; next_ut += st->update_every * 1000000ULL, iterations-- ) {
if(iterations < 0) error("iterations calculation wrapped!");
- if(st->debug) debug(D_RRD_STATS, "%s: last ut = %0.3Lf (last updated time)", st->name, (long double)last_ut/1000000.0);
- if(st->debug) debug(D_RRD_STATS, "%s: next ut = %0.3Lf (next interpolation point)", st->name, (long double)next_ut/1000000.0);
+ if(unlikely(st->debug)) {
+ debug(D_RRD_STATS, "%s: last ut = %0.3Lf (last updated time)", st->name, (long double)last_ut/1000000.0);
+ debug(D_RRD_STATS, "%s: next ut = %0.3Lf (next interpolation point)", st->name, (long double)next_ut/1000000.0);
+ }
st->last_updated.tv_sec = next_ut / 1000000ULL;
st->last_updated.tv_usec = 0;
- for( rd = st->dimensions ; rd ; rd = rd->next ) {
+ for( rd = st->dimensions ; likely(rd) ; rd = rd->next ) {
calculated_number new_value;
switch(rd->algorithm) {
/ (calculated_number)(now_ut - last_ut)
);
- if(st->debug)
+ if(unlikely(st->debug))
debug(D_RRD_STATS, "%s/%s: CALC2 INC "
CALCULATED_NUMBER_FORMAT " = "
CALCULATED_NUMBER_FORMAT
+ rd->last_calculated_value
);
- if(st->debug)
+ if(unlikely(st->debug))
debug(D_RRD_STATS, "%s/%s: CALC2 DEF "
CALCULATED_NUMBER_FORMAT " = ((("
"(" CALCULATED_NUMBER_FORMAT " - " CALCULATED_NUMBER_FORMAT ")"
, (now_ut - first_ut), rd->last_calculated_value
);
- if(next_ut + st->update_every * 1000000ULL > now_ut) rd->calculated_value = new_value;
+ if(likely(next_ut + st->update_every * 1000000ULL > now_ut)) rd->calculated_value = new_value;
break;
}
- if(!store_this_entry) {
+ if(unlikely(!store_this_entry)) {
store_this_entry = 1;
continue;
}
- if(rd->updated && iterations < st->gap_when_lost_iterations_above) {
+ if(likely(rd->updated && iterations < st->gap_when_lost_iterations_above)) {
rd->values[st->current_entry] = pack_storage_number(
new_value
* (calculated_number)rd->multiplier
/ (calculated_number)rd->divisor
, storage_flags );
- if(st->debug)
+ if(unlikely(st->debug))
debug(D_RRD_STATS, "%s/%s: STORE[%ld] "
CALCULATED_NUMBER_FORMAT " = " CALCULATED_NUMBER_FORMAT
" * %ld"
);
}
else {
- if(st->debug) debug(D_RRD_STATS, "%s/%s: STORE[%ld] = NON EXISTING "
+ if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: STORE[%ld] = NON EXISTING "
, st->id, rd->name
, st->current_entry
);
rd->values[st->current_entry] = pack_storage_number(0, SN_NOT_EXISTS);
}
- if(st->debug) {
+ if(unlikely(st->debug)) {
calculated_number t1 = new_value * (calculated_number)rd->multiplier / (calculated_number)rd->divisor;
calculated_number t2 = unpack_storage_number(rd->values[st->current_entry]);
calculated_number accuracy = accuracy_loss(t1, t2);
// reset the storage flags for the next point, if any;
storage_flags = SN_EXISTS;
- if(st->first_entry_t && st->counter >= (unsigned long long)st->entries) {
+ if(unlikely(st->first_entry_t && st->counter >= (unsigned long long)st->entries)) {
// the db is overwriting values
// add the value we will overwrite
st->first_entry_t += st->update_every * 1000000ULL;
st->counter++;
st->current_entry = ((st->current_entry + 1) >= st->entries) ? 0 : st->current_entry + 1;
- if(!st->first_entry_t) st->first_entry_t = next_ut;
+ if(unlikely(!st->first_entry_t)) st->first_entry_t = next_ut;
last_ut = next_ut;
}
- for( rd = st->dimensions; rd ; rd = rd->next ) {
- if(!rd->updated) continue;
+ for( rd = st->dimensions; likely(rd) ; rd = rd->next ) {
+ if(unlikely(!rd->updated)) continue;
rd->last_collected_value = rd->collected_value;
rd->last_calculated_value = rd->calculated_value;
rd->collected_value = 0;
// if this is the first entry of incremental dimensions
// we have to set the first calculated_value to zero
// to eliminate the first spike
- if(st->counter_done == 1) switch(rd->algorithm) {
+ if(unlikely(st->counter_done == 1)) switch(rd->algorithm) {
case RRDDIM_PCENT_OVER_DIFF_TOTAL:
case RRDDIM_INCREMENTAL:
rd->calculated_value = 0;
// --------------------------------------------------------------------
// find if there are any obsolete dimensions (not updated recently)
- if(rrd_delete_unupdated_dimensions) {
+ if(unlikely(rrd_delete_unupdated_dimensions)) {
- for( rd = st->dimensions; rd ; rd = rd->next )
+ for( rd = st->dimensions; likely(rd) ; rd = rd->next )
if((rd->last_collected_time.tv_sec + (rrd_delete_unupdated_dimensions * st->update_every)) < st->last_collected_time.tv_sec)
break;
- if(rd) {
+ if(unlikely(rd)) {
// there is dimension to free
// upgrade our read lock to a write lock
pthread_rwlock_unlock(&st->rwlock);
pthread_rwlock_wrlock(&st->rwlock);
- for( rd = st->dimensions, last = NULL ; rd ; ) {
+ for( rd = st->dimensions, last = NULL ; likely(rd) ; ) {
// remove it only it is not updated in rrd_delete_unupdated_dimensions seconds
- if((rd->last_collected_time.tv_sec + (rrd_delete_unupdated_dimensions * st->update_every)) < st->last_collected_time.tv_sec) {
- debug(D_RRD_STATS, "Removing obsolete dimension '%s' (%s) of '%s' (%s).", rd->name, rd->id, st->name, st->id);
+ if(unlikely((rd->last_collected_time.tv_sec + (rrd_delete_unupdated_dimensions * st->update_every)) < st->last_collected_time.tv_sec)) {
+ info("Removing obsolete dimension '%s' (%s) of '%s' (%s).", rd->name, rd->id, st->name, st->id);
- if(!last) {
+ if(unlikely(!last)) {
st->dimensions = rd->next;
rd->next = NULL;
rrddim_free(st, rd);
rd = rd->next;
}
- if(!st->dimensions) st->enabled = 0;
+ if(unlikely(!st->dimensions)) {
+ info("Disabling chart %s (%s) since it does not have any dimensions", st->name, st->id);
+ st->enabled = 0;
+ }
}
}
pthread_rwlock_unlock(&st->rwlock);
- if(pthread_setcancelstate(oldstate, NULL) != 0)
+ if(unlikely(pthread_setcancelstate(oldstate, NULL) != 0))
error("Cannot set pthread cancel state to RESTORE (%d).", oldstate);
return(st->usec_since_last_update);
// find the oldest entry in the data, skipping all empty slots
time_t rrdset_first_entry_t(RRDSET *st)
{
- if(!st->first_entry_t) return st->last_updated.tv_sec;
+ if(unlikely(!st->first_entry_t)) return st->last_updated.tv_sec;
return st->first_entry_t / 1000000;
}
projects / netdata.git / blobdiff